Hyundai Sonata: Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) ECU Schematic Diagrams

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) ECU Schematic Diagrams

Circuit Diagram

Terminal Function

No.	Description
1	L-CAN [Low]
2	L-CAN [High]
20	IGN1
21	Ground
22	C-CAN [High]
23	C-CAN [Low]

Advanced Smart Cruise Control (ASCC) Switch Repair procedures

Inspection [Measuring Resistance] 1. Disconnect the smart cruise control switch connector from the control switch. 2. Measure resistance between terminals on the control switch when each fu ...

Advanced Smart Cruise Control (ASCC) ECU Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the ASCC ECU connector (A). 3. Remove the ASCC ECU (C) after remove the installati ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft. 1. Transponder (TP) – IMMO ECU Comm ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting SymptomSuspect areaEngine will not start or stuggle to startVapor hose damaged or disconnectedEngine stuggle to startMalfunction of the Purge Control Solenoid ValveRough idle or engine stallsVapor hose damaged or disconnectedMalfunction of the PCV valveRough idleMalfunction of t ...